Yes, you can purchase replacement PTFE collars for the lid/vessel O-ring.
For Reactor-Ready, Reactor-Ready Duo and Lara, the part number is:
- RR121095: PTFE Support Collar for FEP O-Ring – 100 mm
For the larger Reactor-Ready Pilot, it is:
- RR210024: PTFE Support Collar for FEP O-Ring – 200 mm